Transmission-gearing for motor-vehicles.



I. H. PLEUKHARP. TRANSMISSION GEARING FOR MOTOR VEHICLES.

APPLIGATION NLM; AUG.

I. PLEUKHARP. TRANSMSSION GEARING POR MOI'R VEHICLES.

APPLICATION FILED LUGLIO 1914.

Patented Mar. 30, 1915.

2 SHEETS-SHEET 2.

85L1n^mesh with the large gear herren efr'e'rns ermee..

:nvm 1e. ennemies?, cf; commises, emo.

TRANSMISSION-GEARING EOE l'lR-VEEICLES.

-fgfStateof lOhio, have-invented r. newr and useful vImprovement in Transmissiori-Gearing',A efor-Motor-Vehicles, of which the' follow-ing ff'is a specification.

../'My invention relates to certain new andl Y m/use'ful improvements in transmission gearing formot-or vehicles, nud is fully described and explained in the specification and shown inthe accompanying drawings, in which- -Figure l' yis a horizontal section through my Vdevice,showing its most important part; Fig. 2 is u sect-ion on the line 2 of Fig. 3, and Fig.` 3 is :i section on the line 3 of Fig. 2.

'Referring to the drawings, the two parte of the rear'exle or driven shaft are indicated bi' the numerals 4, each of said parts having fest upon it e. pinion 5 forming part ofthe differential gearing.

The intermediate pinions of' the difieren- A tiel are indicated at 6, the same being carried in the usual manner by spindles mount- 'ed upon a rotary member 7. The member has attached to it two large annular gears 8 and 9, by which it may oe driven. The 8 meshes with a pinion 10 which is grm- :led with un integral sleevel or huh 2.1 npon'the forward end or which is keyed an enlarged part 12 'supplied with a series of external clutch-teeth 18.

Surrounding the sleeve 1i is pinion terminates in an. integral sleeve 1:5 unen the exterior surface of which, at its forward end, is mount-ede. sleeve 15 provided-n-ith clutch-teeth 17. t0 18 is a sleeve forming an intermediate driving member and upon which is mounted :i clutch-member 19, provided with :i groove to be engaged by e. finger on a shi fter member 9 1. The clutch member 1.9ovehangs theclntch-teel 13 on 'the sleeve 11, so es 'to iie between these clutch-teeth 13 and` theclutcl`.tee"i i7 on the sleeve 15. t will thus he manifest that by shifting 'the clutch member 19 forward or back. the sleeve 18 can. ce clutched toeither-o the pinions 10 or 14, 'so as' to drive the intermediate part of the differential. through the medium of either of the large gears 8 and 9 connected thereto. By this means, two dierent speeds are imparted to' the driving mechanism.

The sleeve 18 it'selfcanlie drivenettwo Specification of Letters ten.

. forward, it will engage with .the gem' a'tented Bier. 3G, SS.

.Application fxle A ugnst 10, 19113:. A 5:11a. Ho. S15-6,0%.

different speeds by mechanism which will.

' nonv he described.A This manifestly results in four possibie forward speeds of the vehicie. 22 thc mein driving shaft of the vehieie. the same being clutch-connected to the prime-mover in the nsna-l manner. lt jecent to this shaft is a counter-shaft '23 upon which Ativo gears 24; and 1. The gear 9.1i is nermnnentij.' in mesh with geur-- teeth cnt on :in eninrged boss Q6 onthe rear end of thesleeve 1S. The .inside of this boss .26 is provided with other gear teeth 27. Q8

is n gear keyed to the main clrive-slieftnnd which can De shifted longitudinally. il'hen it is emiten be :3rd, its teeth rngzxe with .q v r C me intel-nei t o on the liess 2h so as to oclnce :z threctdrxe. in other words. A Y enr teeth slmplynct :is clutch-teeth 1 1': i l, i.- .1

suited manuale.

ine pinion '28 is The parts are shown in the drawings, mit when the gear "2S is (irai-:n

that the sleeve 18 is driven from the nniin shaft through the counter-shaft and. therefore, :it considerably slower spoed. The gear nm: he shifted longitudinali);

`)en :i Shift-- :nplfz mun- 'through the medium of :i finger 2i ing inermi. "B0, The.; in :i 1. ner. i o1., am the foznfiesir'en.

of the vehicle.

underneath.

' pies when l' a iever LL, he raised :und lowered h v longitudinally shifting n plne 3i having: :i diagonally-dis posed emr sini'. 115 to engage with the euri the lever The :m'xilini'y' pinion 31 is double the *th oi: the pininns 2S nml, the'. en elevated ivil Wir-h, lieti:

the center of the rcnr axle. The simplicity and relative ehenpness of the' struct-nre as comparedwith those constructions nowi in neutral position in Shifters can he adapted to this arrangement.

I realize that considerable variation is possible in the details of Vthis construction without departing from the spirit of my invention; therefore, I do not intend to limit myself to the specific form herein shown and dcseril ed.

What .I claim as new and desire to secure by Letters Patent is l. In transmission gearing, the combination with a driven shaft and a pair of bevel gears secured thereto, of a driving system, including an inner driving pinion meshing with one of the bevel gears and having an extended hub, an outer driving pinion sleeved upon the hub of the inner pinion and meshing with the other bevel gear, a clutch-member connected with the outer driving pinion, aV clutch-member connected with the hub of the inner driving pinion, an intermediate driving member in alinement with but independent of said pinions, a elutch-member slidably connected with the inner end of said intermediate driving niembcr and adapted to selectively engage the clutches of either of said pinions, a second clutch member and a gear wheel connected with the outer end ot said intermedia te driving member, a driving shaft in alinement with but independent of said intermedia-te driving member, a counter-shaft parallel with the driving shaftand intermediate driving member, a gear on said counter-shaft meshing with the gear on said intermediate driving member, a second gear mounted on said counter-shaft, and a combined gear and clutch member slidably mounted on said driving shaft and adapted to selectively en` gage either the second gear of the countershaft, or the clutch at the outer end of the intermediate driving member.

2v In transmission gearing, the combination with a driven shaft and a pair of bevel gears secured thereto, of a driving system,

including a driving pinion meshing with one of the bevel gears and a driving pinion sleeved upon the first driving pinion and meshing with the other of said driving gears, clutch means associated with each of said pinions, an intermediate driving memberin alincment with but independent of said pinions, clutch means associated with said intermediate driving member and adapted to selectively engage the clutches of either of said pinions, a driving shaft in alinement with but independent of said intermediate vdriving member, a countel-shan; parallel .with said driving shaft and intermediate driving member, a gear-train connecting Y said driving shaft with said intermediate driving member through said counter-shaft, means or throwing said gear-train out of,v

operation, and means for clutching said 7o driving shaft directly to said intermediate driving member.

3. In tansniission gearing, the combination with a driven shaft and a pair of bevel gears secured thereto, of a driving system,

including a driving shaft, a. pinion sleeved upon said dri ving shaft and meshing with one of said bevel gears, a second pinion sleeved upon said driving' shaft and meshing l'ith the other of said driving gears, Clutch $0` means associated with each of said pinions,

'an intermediate driving member sleeved including a driving shaftka pinion sleeved upon said drivingr shaft and meshing with one of said bevel gears. a second pinion sleeved upon said First pinion and nieshin with the otherf said bevel gears, cliitc members associated with each ions, an intermediate driving member in alinement with but independent of said pinions and also sleeved upon said driving' shaft, a clutch device associated with said intermediate drivingmcuiber and adapted to selectively engage the' clutches of `either of said pinions, 'zi-gear on said intermediate driving member. a gear on said driving shaft, a counter haft paralleling said driving sha ft, a gear carried on said countershaft and meshing with the gear of the intermediate driving member, a second gear carried on said coiintei-slia'lt, and adapted to mesh with the gear of said driving shaft, and means for clutching said driving shaft directlg7 to said intermediate driving member.

in transmission gearing, the combination with a. driven shaft and a pair of bevel gears secured thereto, of a driving system,

'including a driving pinion meshing With'llZO one of the bevel gears and having an eX- tended hub, the second driving pinion sleeved upon said liub and meshing with the other of said driving gears, clutch means associated with an intermediate driving member 1n alinement with but independent of said inions, a. clutch device associated with said) intermediate driving member and adapted to'se` lectivelv engage it with either of the said 130 said 85 said 9o of said pin- A100v each of said pinions, -126 mediate `driving member pini a driving shaft in alinement with but in e endent of said intermediate dri ing mem r, means for clutching said drivn ing shaft directly to said intermediate drivv ingmember, a gear-train for forming indireet connection between said driving shaft and said intermediate driving member, said gear-train including Selective means for reversing the direction of motion of said interwith relation to said driving shaft.

6. In transmission gearing, the eombina tion with a driven shaft and a pair of bevel gears secured thereto, of a driving system. includin "a driving shaft, a pinion sleeved upon'sai ldriving shaft and engaging-one of said bevel ears, a second pinion sleeved upon said rst pinion and engaging the other bevel gear, clutch means associated with each of said pinions, an intermediate driving member in alinem'ent withv het independent of said pinions, said intermediate driving member being sleeved upon said driving shaft, a clutch slidable upon said intermediate driving member and adapted to selectively engage the elutehesoi' either of said pinlons, an external gear member and an internal clutch member formed on said intermediate driving member. a euuntens-haft parallel with said driving shaft and said intermediate driving member, a plurality of ears mounted upon the eounter shaft, one o said ears meshing with he external fear of said intermediate driving member, -i gear splined upon said dri-fing shaft and adapted to selectively eng e either a gear upon the eountershaft or fi e internal clutch of the intermediate driving member.

7. In combination, a driven shaft, a plu rality of bevel ears secured thereto, a plu-- rality of caxiabevel pinions, eaeh meshing with one of said bevel gears. a dri ving shait in` alinement with the axis of said bevel pinions, an intermediate driving member in" terposed between said driving sha it and said bevel pinions and havin eluteh means associated therewith and a apted to .selectively engage any ot the bevel pinions, a countershaft arranged parallel with the driving shaft, a plurality of gear wheels mounted on the. counter-shaft, a gear Wheel en the in tel-mediate driving member meshing iwith one of the gears on the counter-shaft, a slid* able gear mounted on the driving shaft and adapted to selectively engage either a gear upon the eounter-shaft or directly with the. intermediate driving member, a roch-rr arm, a reverse pinion mounted in one endv oi' said rocker arm and adapted to mesh iti` the gear of said driving shaft and one of the. gears of said counter-shaft.y and means for operating the other end of said rocker arm.

8. In transmission gearing` the eombiuation with a driven shaft and n mer ei `gevel gears seemed thereto, of a driving inrluding a driving gu n nu i of the bowl gears and iii-nin: un extended hub, i revend driving pinion sivrved upon the hub oi' the inner pinion and. nexium: with the other bevel g wir., :1 riulub niemeer iwunwi separateiy from but engaged 'sith said sri;- ond pinion and having iwi., i nel ftiutrix teeth. a second eimrh nunibrr tiene from but engaged with the imi, nl" pinion and inning rxl'ernai -riir'rh teeth spaced from the teeth o1" id inst eliurb member, :in intermediate iii-ning hun alinemeut with but iiniei'wndent ei ions, a fluidi reve splint-d Miron niedinte driving :drew and Curr) hanging portie-u formed with inter-nai sila?" teeth abuh ie mithin the spawn brieven the externai clutch teeth ei" sani )union nienibers. inemI for shitting sind clutch sleeie to engage srlret'i Said pinion riutrh members. n firming' sin in aliuement with but independwt oi' said. 'intermediate driving smeve, a ronnie shaft parallel with said dri\ ing shaft. a wir for connecting said drin ing shaft with intermediate driving sweve te sali w ter-shaft, selective the drive either tbroi i or dirertly from said driving artid intermediate. driiing sirene mi meros for reversing lire rotation off iii-hing zifleeve with relation te seid, dri? shaft.

in transmission gearing, the enmbi tier. uit. driven shaft. and a rejiir of if( gears secured thereto. of a dri-vine sx inehriing a driving shaft, an inner urii pinion tre/dy meunted upon sind drier shatt, meshing with one ef said bm'ei fleurs.

d pin- Connected rziber and We tin" xiii *e* i said clutffh .member to elleet suer; finire; ment, an overininging iiangre ffr'rmeii en tim outer end of sind intermediate d Irving inber, interred and external .fr terri; en 1 d flange, a driving shaft in ahnen independent of said iiiterrrneiuate member, a counter shaft paraiiel rif driaiug shaft and the interiz'iedietf; divins: member, a gear on said connu 'l ing with the external geartceth en se if, immediate driving 1.nenii'. er` a.. seennd g,

wird en said counter-shaft i n r end clutch member 'l 'tijd on said driving shaft and adapted to selectively engage either the internal teeth of the flange to forni a direct drive connection, or the second gear on the counter-shaft to form a gear drive connection,- a rocking arm mounted to swing toward and away from said driving shaft and counter-shaft, a reverse pinion carried by the end of said rocker arm and adapted for engagement with the gear on the driving shaft and the gear on the counter-shaft to reverse the direction of rotation of the latter, a slidable cani engaging the other end of the lever t0 move the reverse gear into and out of mesh, and means for operating said cam.

l0. In transmission gearing, the combination with a driven shaft and a pair of bevel gears secured thereto, of a driving system, including a pair of coaxial driving pinions meshing each with one of said bevel gears, a tubular intermediate driving member in alinement with but independent of said 4driving pinions, a clutch member splined upon said intermediate driving member and adapted for selective engagement with either of said driving pinions, a driving shaft in alinement with said intermediate driving member, and extending through the bore of the same to provide bearings therefor, a

Ilange formed on the end of the intermediate driving member and overhanging the driving shaft, internal and external gear teeth formed in the flange, a counter-shaft parallel with the driving shaft, a gear on the counter-shaft meshing with the external gear of the intermediate driving member,

a second gear 0n the counter-shaft, a gear 

